| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // UNSUPPORTED: c++98, c++03 |
| |
| // <istream> |
| |
| // template <class charT, class traits = char_traits<charT> > |
| // class basic_istream; |
| |
| // basic_istream(basic_istream const& rhs) = delete; |
| // basic_istream& operator=(basic_istream const&) = delete; |
| |
| #include <istream> |
| #include <type_traits> |
| #include <cassert> |
| |
| struct test_istream |
| : public std::basic_istream<char> |
| { |
| typedef std::basic_istream<char> base; |
| |
| test_istream(test_istream&& s) |
| : base(std::move(s)) // OK |
| { |
| } |
| |
| test_istream& operator=(test_istream&& s) { |
| base::operator=(std::move(s)); // OK |
| return *this; |
| } |
| |
| test_istream(test_istream const& s) |
| : base(s) // expected-error {{call to deleted constructor of 'std::basic_istream<char>'}} |
| { |
| } |
| |
| test_istream& operator=(test_istream const& s) { |
| base::operator=(s); // expected-error {{call to deleted member function 'operator='}} |
| return *this; |
| } |
| |
| }; |
| |
| |
| int main(int, char**) |
| { |
| |
| |
| return 0; |
| } |